Those Boring Tools
Travel ToolsPrivate by design

Jet Lag Recovery Calculator

Enter the number of time zones you're crossing and the direction to estimate jet lag recovery time.

How to use this tool

  1. 1Enter time zones crossed.
  2. 2Choose eastward or westward travel.
  3. 3See the estimated recovery time.

Frequently asked questions

Why is eastward travel worse?+

Traveling east means losing time, which is harder for the body's circadian rhythm to adjust to than gaining time when traveling west.

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